Among the non-fiction books on Area 51, are David Darlington, Area 51 - The Dreamland Chronicles: The Legend of America's Most Secret Military Base (New York: Henry Holt, 1997); Phil Patton, Dreamland: Travels Inside the Secret World of Roswell and Area 51 (New York: Villard, 1998); Annie Jacobsen, Area 51: An Uncensored History of America's Top Secret Military Base (Boston: Little, Brown, 2011). For a critical review of Jacobsen's book, see Robert S. Norris and Jeffrey T. Richelson, "Dreamland Fantasies," Washington Decoded (www.washingtondecoded.com), July 11, 2011. Also, see Peter W. Merlin, "It's No Secret - Area 51 was Never Classified," available at www.dreamlandresort.com/pete/no_secret.html.
 Gregory Pedlow and Donald E. Welzenbach, The Central Intelligence Agency and Overhead Reconnaissance: The U-2 and OXCART Programs, 1954-1974 (Washington, D.C.: Central Intelligence Agency, 1992), p. 56. The history is available at: www2.gwu.edu/~nsarchiv/NSAEBB/NSAEBB434, posted on August 15, 2013.
 Ibid., p. 57.
 Ibid., p. 274.
 Ibid., pp. 274, 284. The OXCART, KEDLOCK, TAGBOARD, and SR-71 Programs will be the subject of a future electronic briefing book.
 For the SKYLAB incident see, Dwayne Day, "Astronauts and Area 51: The Skylab Incident," The Space Review (www.thespacereview.com), January 9, 2006.
 Trevor Paglen, Blank Spots: The Dark Geography of the Pentagon's Secret World (New York: Dutton, 2009), p. 41.
 Pedlow and Welzenbach, The Central Intelligence Agency and Overhead Reconnaissance, p. 129-130, 259.
 Ben R. Rich and Leo Janos, Skunks Works: A Personal Memoir of My Years at Lockheed (Boston: Little, Brown, 1994), pp. 19-20. Overholser was one of three authors of a patent (5,250, 950) filed on February 13, 1979 (which they assigned to Lockheed) for a low-observable aircraft.
 Defense Advanced Research Projects Agency Technology Transition (Arlington, Va.: DARPA, n.d., but circa 1998-2000), p. 66.
 Rich and Janos, Skunk Works , p. 96.
 Use in the Balkans resulted in the loss of one plane, which was turned over to Russia, although the pilot was recovered. See Darrell Whitcomb, "The Night They Saved Vega 31," Air Force Magazine , December 2006, pp. 70-74.
 The United States investigated the employment of stealth characteristics in satellites, ships, and missiles - specifically, the MISTY imagery satellite, the SEA SHADOW surface vessel, and the advance cruise missile. See, Jeffrey T. Richelson, "Satellite in the Shadows," Bulletin of the Atomic Scientists, May/June 2005; "Sea Shadow," www.lockheedmartin.com, accessed October 21, 2013; Defense Advanced Research Projects Agency Technology Transition, p. 115.
 Directorate of Intelligence, Central Intelligence Agency, Soviet Work on Radar Cross Section Reduction Applicable to a Future Stealth Program , February 1984, p. iii.